ISO 6974-3:2000 天然氣 用氣相色譜法測定規(guī)定的不確定度的組分 第3部分:用兩填充柱測定氫、氦、氧、氮、二氧化碳和碳至C<下標>8的烴類
Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 3: Determination of hydrogen, helium, oxygen, nitrogen, carbon dioxide and hydrocarbons up to C8 using two packed columns